Addition Permits

An Addition Permit is an official authorization required for building expansions, extensions, or other additions to an existing structure. It is typically issued by local planning or building authorities to ensure the proposed work complies with zoning rules, safety codes, setback requirements, and land-use regulations. Outerview observes, maps, and indexes instances of Addition Permit across the physical world, helping users explore where these permits appear, identify spatial patterns and concentrations, compare regions, and track changes over time. This makes it easier to understand development activity, permitting trends, and the geographic distribution of approved building additions.

Regions

View Addition Permits in any region.

E2

An open index for Earth across space, time, and features. Physical-world data gets a common address.

github.com/e2-earth/e2

Product

Registry
Atlas
Cloud
Developers

Developers

CLI
JavaScript SDK
MCP server
Subjects

Open source

GitHub
Docs
License
Security